______________ approach implies defining the scope at a high level at the very beginning of the project while progressively developing the cost and schedule through iterations as deliverables become clearer. (Hint: Read the development approaches from PMBOK 7.0 ) ______________ approach implies defining the scope at a high level at the very beginning of the project while progressively developing the cost and schedule through iterations as deliverables become clearer. (Hint: Read the development approaches from PMBOK 7.0 ) An iterative An objective An incremental None of the options